6th Science ch 21 solar Flashcards Preview

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Flashcards in 6th Science ch 21 solar Deck (10)
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A small rocky object that orbits the sun

Asteroid

1

A small rocky and I see object that orbits the sun

Comet

2

The average distance from the earth to the sun which is about 150,000,000 km

Astronomical unit (AU)

3

The four largest of Jupiter 63 moons discovered by Gallileo

Galilean moons

4

A small rocky particle that move through space

Meteoroid

5

A meteoroid that strikes the planet or moon

Meteorite

6

A meteoroid that has entered earths atmosphere and produces a streak of light

Meteor

7

Around depression formed on the surface of a planet moon or other space object by the impact of a meteorite

Impact crater

8

A large fear of hydrogen gas bill together by gravity that is hot enough for nuclear reactions to occur on its core

Star

9

Round body that orbits the sun but his massive enough to clear away other object in its orbit

Dwarf planet